Black Nephrite Gua Sha Lifting Tool- CollectiveGua Sha is an ancient Chinese technique known to promote radiance and ease facial tension. Handcrafted with true black nephrite jade, our advanced Gua Sha Lifting Tool is designed to beautify the look of skin, contour your features, and relieve negative energy. Each natural stone is unique and varies in pattern and color. Your gua sha purchase also comes with a 100% organic cotton bag, so you can safely store your tool after each use. How To Use After